20120387 (number)

20120387 is an odd 8-digits composite number following 20120386 and preceding 20120388. In scientific notation, it is written as 2.0120387 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 17084232 positive integers (up to 20120387) that are relatively prime to 20120387.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty thousand three hundred eighty-seven

Notation

Scientific notation 2.0120387 × 10^7
Engineering notation 2.0120387 × 10^6

Prime Factorization of 20120387

Prime Factorization 7 × 107 × 26863

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20120387
Product of the distinct prime numbers

The prime factorization of 20120387 is 7 × 107 × 26863. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20120387)

Multiplication

n×y
n×2 40240774
n×3 60361161
n×4 80481548
n×5 100601935

Division

n÷y
n÷2 10060193.5
n÷3 6706795.6666667
n÷3 5030096.75
n÷5 4024077.4

Exponentiation

ny
n2 404829973029769
n3 8.1453357265585E+21
n4 1.6388730706328E+29
n5 3.2974760425011E+36

Nth Root

y√n
2√n 4485.5754368866
3√n 271.98530684039
4√n 66.974438682878
5√n 28.888651245283

Divisors of 20120387

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20120386
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20120387 can be divided by 8 positive divisors. The sum of these divisors (counting 20120387) is 1, the average is 0.125.

Base conversion 20120387

Base System Value
2 Binary 1001100110000001101000011
3 Ternary 1101212012222112
4 Quaternary 1030300031003
5 Quinary 20122323022
6 Senary 1555125535
8 Octal 114601503
10 Decimal 20120387
12 Duodecimal 68a38ab
16 Hexadecimal 1330343
20 Vigesimal 65f0j7
36 Base36 bz8zn

Cryptographic Hash Functions

md5 1e950af992ddf94a9d51d1ecde84e294
sha1 567baafca4059381b3fff672d4fc0c3f7231b918
sha256 1a19b92aeba3c6bfa5ca6a93d5c3f84bb7697f0c2ceb7677ba892fc8414a434a
sha512 239d7805aa55e242b67b9d20589e9e731ec6e138b02bbf8899590ab35b2e7cfc13ab40147cc62b7f7c4157ad55a8388587ed856802cb27f448254429806263fb
ripemd-160 f4f9af57530011c2cd31e3d019b5725fd4d77981

20120387 as geometric shapes

Circle

Radius = n
Diameter 40240774
Circumference 126420119.97317
Area 1.2718108692233E+15

Sphere

Radius = n
Volume 3.4119102506105E+22
Surface area 5.0872434768931E+15
Circumference 126420119.97317

Square

Length = n
Perimeter 80481548
Area 404829973029769
Diagonal 28454524.175595

Cube

Length = n
Surface area 2428979838178614
Volume 8.1453357265585E+21
Space diagonal 34849532.551948

Equilateral Triangle

Length = n
Perimeter 60361161
Area 1.7529652042857E+14
Altitude 17424766.275974

Triangular Pyramid

Length = n
Surface area 1.7529652042857E+14
Volume 9.599370212151E+20
Height 9484841.3918651